Fuel dosing pump damper kit for Webasto heater - 478814

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Webasto Air and Water heater fuel pump damper kit for both petrol and diesel Webasto fuel pumps.

Compatible with any Webasto Fuel dosing solenoid pump.

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Data sheet

ManufacturerWebasto (Germany)
Fuel typePetrol / Diesel
Voltage12-24 V

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For water heaters:

Thermo Top E/C/Z, Thermo 90/S/ST/Pro;

For air heaters:

AirTop 2000/S/ST/STC.

Ripple damper A quick fuel supply causes pressure surges in the fuel rail. As a result, the amount of injected fuel is more or less than necessary. A pulsation damper mounted on the fuel rail dampens these pressure drops. When the pressure suddenly begins to rise, the spring membrane slightly moves back, increasing the volume of the fuel rail. The fuel pressure instantly drops from a too high level. When the pressure suddenly begins to fall, the working volume of the fuel rail is slightly reduced. Fuel pressure instantly rises from a too low level.

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Air Top 2000/S/ST/STC